133281640

素因数分解:

$2^3\times 5^1\times {\mathrm{3332041}}^1$

素因数の和:3332052

約数の個数: 16

約数和(自身を含む): 299883780

約数和(自身を除く): 166602140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3332041, 6664082, 13328164, 16660205, 26656328, 33320410, 66640820, 133281640]

約数ペア:

[(1, 133281640), (2, 66640820), (4, 33320410), (5, 26656328), (8, 16660205), (10, 13328164), (20, 6664082), (40, 3332041)]